Realization of water resistant, durable and self-cleaning on oriented cellulose nanocomposite packaging films

Ren, Fangfang; Wu, Tong; Zhang, Jiale; Lu, Zhenxia; Duan, Qian; Lu, Peng; Ren, Pengfei

doi:10.1007/s10965-022-03366-y

Cited by 4 publications

(1 citation statement)

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“…Then, the as-obtained precursor of S-ZIF-8/CNTs was annealed at 920 • C under Ar atmosphere, and generated S-NCPs/CNTs. During carbonization at a high temperature, the N-containing methylimidazole ligand changed qualitatively to form rich N-doped graphitized carbon [28]. Additionally, the evaporation of Zn initiates the formation of microporous carbon, significantly increasing the available surface area [27].…”

Section: Resultsmentioning

confidence: 99%

MOF-Derived Nitrogen-Doped Porous Carbon Polyhedrons/Carbon Nanotubes Nanocomposite for High-Performance Lithium–Sulfur Batteries

Chen,

Yang,

et al. 2023

Nanomaterials

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Nanocomposites that combine porous materials and a continuous conductive skeleton as a sulfur host can improve the performance of lithium–sulfur (Li-S) batteries. Herein, carbon nanotubes (CNTs) anchoring small-size (~40 nm) N-doped porous carbon polyhedrons (S-NCPs/CNTs) are designed and synthesized via annealing the precursor of zeolitic imidazolate framework-8 grown in situ on CNTs (ZIF-8/CNTs). In the nanocomposite, the S-NCPs serve as an efficient host for immobilizing polysulfides through physical adsorption and chemical bonding, while the interleaved CNT networks offer an efficient charge transport environment. Moreover, the S-NCP/CNT composite with great features of a large specific surface area, high pore volume, and short electronic/ion diffusion depth not only demonstrates a high trapping capacity for soluble lithium polysulfides but also offers an efficient charge/mass transport environment, and an effective buffering of volume changes during charge and discharge. As a result, the Li-S batteries based on a S/S-NCP/CNT cathode deliver a high initial capacity of 1213.8 mAh g−1 at a current rate of 0.2 C and a substantial capacity of 1114.2 mAh g−1 after 100 cycles, corresponding to a high-capacity retention of 91.7%. This approach provides a practical research direction for the design of MOF-derived carbon materials in the application of high-performance Li–S batteries.

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Section: Resultsmentioning

confidence: 99%